61 13... In-line plugs, 2-pin, System JPT ELA
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
Press lock (1) in direction of arrow and slide connector forward.
Press lock (1) downward and slide out to one side.
With special tool 61 0 316 (61 1 136), unlock contact and pull out cable with contact (1) towards rear.